---
title: "Changes to Create Workspace Agent Draft Test Voice Session"
method: POST
path: "/api/workspaces/{workspace_id}/agents/test-voice-session"
---

# Changes to Create Workspace Agent Draft Test Voice Session

`POST /api/workspaces/{workspace_id}/agents/test-voice-session`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 2 of 16 revisions.

- **2026-08-25** `c38469b3aab0` — 1 info
- **2026-07-31** `7c9aff2501f3` — 1 warning, 1 info

## Changes

- **2026-08-25** `c38469b3aab0` — 1 info
  - added the new optional request property `primaryLanguage`
- **2026-07-31** `7c9aff2501f3` — 1 warning, 1 info
  - removed the request property `campaignId`
  - added the new optional request property `useCaseId`

---

[Operation](https://skmtc.dev/outcallerai/apis/fastapi/docs/api/workspaces/:workspace_id/agents/test-voice-session/post.md) · [API](https://skmtc.dev/outcallerai/apis/fastapi.md) · [Page](https://skmtc.dev/outcallerai/apis/fastapi/changes/api/workspaces/:workspace_id/agents/test-voice-session/post)